| Acronym | Meaning |
| CIDEP | Chemically Induced Dynamic Electron Polarization |
| SLMTO | Surface Linear (combination) Of Muffin-tin Orbitals |
| GRHF | Generalized Restricted Hartree-Fock |
| ICRP | International Commission On Radiological Protection |
| SSUWP | Single Sided Universal Wet Processor |
| WDM | Wavelength Division Multiplexing |
| NEROS | Northeast Regional Oxidant Study |
| AHERA | Asbestos Hazard Emergency Response Act |
| AAR | Accumulation-area Ratio (for Glaciers) |
| TFA | Thomas-Fermi-Amaldi (equation) |